Home / 84,129.12-116,094-46,402.40

Finding the Fourth Proportional to 84,129.12, 116,094 and 46,402.40

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Solution

The fourth proportional to 84,129.12, 116,094 and 46,402.40 is: 64,033.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,129.12 : 116,094 = 46,402.40 : x
  2. Step 2: Convert to fraction form
    84,129.12/116,094 = 46,402.40/x
  3. Step 3: Cross multiply
    84,129.12x = 116,094 × 46,402.40
  4. Step 4: Simplify right side
    84,129.12x = 5,387,040,225.60
  5. Step 5: Solve for x
    x = 5,387,040,225.60/84,129.12
  6. Step 6: Final answer
    x = 64,033.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.